Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The transition to April introduces an increase in the average high-temperature, shifting from a cool 52°F (11.1°C) in March to a refreshing 63.3°F (17.4°C). Stewardson's April nights cool down to an average low-temperature of 46.6°F (8.1°C).Humidity
The average relative humidity in April is 77%.Rainfall
The month with the most rainfall is April, when the rain falls for 14 days and typically aggregates up to 2.83" (72mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows in Stewardson. During 0.4 snowfall days, in April, Stewardson aggregates 0.04" (1mm) of snow. Throughout the year, there are 17.7 snowfall days, and 4.17" (106mm) of snow is accumulated.Daylight
In Stewardson, the average length of the day in April is 13h and 16min.On the first day of April, sunrise is at 6:37 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 7:47 pm CDT.
Sunshine
In April, the average sunshine is 8.2h.UV index
The average daily maximum UV index in April in Stewardson is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 4 in April interprets into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
What is the rainiest month?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Stewardson, IL
- Average high temperature in April: 63.3°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in April: 46.6°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in April
Stewardson, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Stewardson, IL
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in April
Stewardson, IL
- Average humidity in April: 77%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in April
Stewardson, IL
- Average rainfall in April: 2.83"
The wettest month (with the highest rainfall) is April (2.83").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in April
Stewardson, IL
- Average rainfall days in April: 14 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in April
Stewardson, IL
- Average snowfall in April: 0.04"
The month with the highest snowfall is January (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Stewardson, IL
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Stewardson, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in April
Stewardson, IL
- Average sunshine days in April: 13.9 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is May (12.9 days).
Average UV index in April
Stewardson, IL
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Stewardson, IL
- Average cloud cover in April: 43
The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are June and September (Cloud cover 29).
Average visibility in April
Stewardson, IL
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Stewardson, Illinois, USA
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